Move travis notifications to new slack
Move travis notifications to new slack

codecombat/codecombat,javatlacati/codecombat,VilkkuV/codecombat,VilkkuV/codecombat,codecombat/codecombat,Zerrien/codecombat,fabichoi/codecombat,javatlacati/codecombat,Zerrien/codecombat,Zerrien/codecombat,codecombat/codecombat,codecombat/codecombat,Zerrien/codecombat,kidaa/codecombat,jeremiahyan/codecombat,icodegame/codecombat,kidaa/codecombat,icodegame/codecombat,fabichoi/codecombat,VilkkuV/codecombat,javatlacati/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,VilkkuV/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,icodegame/codecombat,kidaa/codecombat,fabichoi/codecombat,jeremiahyan/codecombat,fabichoi/codecombat,codecombat/codecombat,kidaa/codecombat,icodegame/codecombat